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Event popularity prediction over social media is crucial for estimating information propagation scope, decision making, and emergency prevention. However, existing approaches only focus on predicting the occurrences of single attribute such as a message, a hashtag or an image, which are not comprehensive enough for representing complex social event propagation. In this paper, we predict the event popularity, where an event is described as a set of messages containing multiple hashtags. We propose a novel hashtag-influence-based event popularity prediction by mining the impact of an influential hashtag set on the event propagation. Specifically, we first propose a hashtag-influence-based cascade model to select the influential hashtags over an event hashtag graph built by the pairwise hashtag similarity and the topic distribution of event-related hashtags. A novel measurement is proposed to identify the hashtag influence of an event over its content and social impacts. A hashtag correlation-based algorithm is proposed to optimize the seed selection in a greedy manner. Then, we propose an event-fitting boosting model to predict the event popularity by embedding the feature importance over events into the XGBOOST model. Moreover, we propose an event-structure-based method, which incrementally updates the prediction model over social streams. We have conducted extensive experiments to prove the effectiveness and efficiency of the proposed approach. [ABSTRACT FROM AUTHOR]

Group recommendation has become highly demanded when users communicate in the forms of group activities in online sharing communities. These group activities include student group study, family TV program watching, friends travel decision, etc. Existing group recommendation techniques mainly focus on the small user groups. However, online sharing communities have enabled group activities among thousands of users. Accordingly, recommendation over large groups has become urgent. In this paper, we propose a new framework to accomplish this goal by exploring the group interests and the connections between group users. We first divide a big group into different interest subgroups, each of which contains users closely connected with each other and sharing the similar interests. Then, for each interest subgroup, our framework exploits the connections between group users to collect a comparably compact potential candidate set of media-user pairs, on which the collaborative filtering is performed to generate an interest subgroup-based recommendation list. After that, a novel aggregation function is proposed to integrate the recommended media lists of all interest subgroups as the final group recommendation results. Extensive experiments have been conducted on two real social media datasets to demonstrate the effectiveness and efficiency of our proposed approach. [ABSTRACT FROM AUTHOR]

Abstract Event detection over microblogs has attracted great research interest due to its wide application in crisis management and decision making etc. In natural disasters, complex events are reported in real time on social media sites, but these reports are invisible to crisis coordinators. Detecting these crisis events helps watchers to make right decisions rapidly, reducing injuries, deaths and economic loss. In sporting activities, detecting events helps audiences make better and more timely game viewing plans. However, existing event detection techniques are not effective at handling complex social events that evolve over time. In this paper, we propose an event detection method that takes advantage of retweeting behavior for handling the events evolution. Specifically, we first propose a topic model called RL-LDA to capture the social media information over hashtag, location, textual and retweeting behavior. Using RL-LDA, a complex event can be well handled by exploring the correlation between retweeting behavior and the event. Then to maintain the RL-LDA in a dynamic environment, we propose a dynamic update algorithm, which incrementally updates events over real time streams. Experiments over real-world datasets show that RL-LDA detects the temporal evolution of complex events effectively and efficiently. [ABSTRACT FROM AUTHOR]

This paper investigates how social images and change detection techniques can be applied to identify the damage caused by natural disasters for disaster assessment. We propose a multi-step image matching-based framework (MSIM), which takes advantages of fast clustering, near duplicate image detection and robust boundary matching for the change detection in disasters. We first model the social images by exploiting their tags and locations. After that, we propose a recursive 2-means algorithm over the new data model, and refine the near duplicate detection by local interest point-based matching over image pairs in neighboring clusters. Finally, we propose a novel boundary representation model called relative position annulus (RPA), which is robust to boundary rotation, location shift and editing operations. A new RPA matching method is proposed by extending dynamic time wrapping (DTW) from time to position annulus. We have done extensive experiments to evaluate the high effectiveness and efficiency of our approach. [ABSTRACT FROM AUTHOR]

The article offers information on several articles on thermal stresses used in the 2012 issue of "Journal of Thermal Stresses" such as "Thermal stresses in an infinite circular cylinder," "Size and Distribution of Welding Stresses" and "An Inverse Thermoelastic Problem of Circular Plate."

The article lists several periodicals about thermal stresses including "Journal of Mechanical Science and Technology," "International Journal for Numerical Methods in Engineering," and "Special Casting and Nonferrous Alloys."

The article presents a list of publications on thermal stresses including "Linear Thermoelastic Buckling and Free Vibration Behavior of Functionally Graded Truncated Conical Shells," by R. K. Bhangale, N. Ganesan and C. Padmanabhan, "Several Results in the Dynamic Theory of Thermoelastic Cosserat Shells With Voids," by M. Birsan and "Modelling Elastic and Thermoelastic thick Multilayered Composites by a New Constrained Discrete Layer Approach," by M. Blanc and M. Touratier.

The article presents a list of recently published articles about thermal stresses including "Possibility of Enhanced Strength and Self-Recovery of Surface Damages of Ceramics Composites Under Oxidative Conditions," by O. Abe, Y. Ohwa, and Y. I. Kuranobu, "Modelling Elastic and Thermoelastic Thick Multilayered Composites by a New Constrained Discrete Layer Approach," by M. Blanc and M. Touratier, and "An Experimental Study on Creep of Welded Tuff," by L. Ma and J. J. K. Daemen.

The article presents a list of publications on thermal stresses, including "Boundary Element Stress Analysis for Copper-Based Dies in Pressure Die Casting" by R. M. T. Alonso, K. Davey, L. D. Clark and S. Hinduja; "Several Results in the Dynamic Theory of Thermoelastic Cosserat Shells with Voids" by M. Birsan; "Thermal Loading in Multi-Layered and/or Functionally Graded Materials: Residual Stress Field, Delamination, Fatigue and Related Size Effects by A. Carpinteri and N. Pugno; and "Parameter Studies on the Rheology of Limestone Slurries" by M. Z. He, Y. M. Wang and E. Forssberg.

The article presents a list of articles related to thermal stresses published in several journals. These include "Dry Powder Processing of Fibrous Fumed Silica Compacts for Thermal Insulation," "The Effects of Surface Pretreatment on the Cyclic-Fatigue Characteristics of Bonded Aluminium-alloy Joints," and "Harmonic Waves in Thermoviscoelastic Solids."

A list of research papers on thermal stresses is presented including "The Effects of Surface Pretreatment on the Cyclic-Fatigue Characteristics of Bonded Aluminium-Alloy Joints," by M.L. Abel and colleagues, "A Linear Finite Element Model to Predict Processing-Induced Distortion in FRP Laminates," by S.K. Bapanapalli and colleagues, "Shear Bands Due to Heat Flux Prescribed at Boundaries," by R.C. Batra and colleagues.

The article presents a list of articles related to thermal stresses including "Axisymmetric Task of the Thermolastic Wave Excitation in a Thin Plate by Pulse Relativistic Electron Beam," by Y. W. Bao, X. H. Wang and H. B. Zhang, "Thermoelastic Solution for Stresses," by N. M. Borodachev, and "Influence of Coagulant Temperature and On-Line Drawing on the Mechanical Properties and Permeation Performance of Cellulose Acetate Hollow Fiber," by W. L. Chou, D. G. Yu and M. C. Yang.

Lists several publications on thermal stresses. "A Two-Dimensional Heat Transfer Model for Thermal Barrier Coating Average Thermal Conductivity Computation," published in the "Numerical Heat Transfer; Part A: Applications" journal; "Stress Analysis of Curvilinearly Orthotropic Rotating Discs under Mechanical and Thermal Loading," published in the "Journal of Reinforced Plastics and Composites"; "Stability of Thermoelastic Contact for a Rectangular Elastic Block Sliding Against a Rigid Wall," published in the "European Journal of Mechanics, A/Solids."

Presents several articles on thermal stresses. "A Consistent Modified Zerilli-Armstrong Flow Stress Model for BCC and FCC Metals for Elevated Temperatures," by F. H. Abed and G. Z. Voyiadjis; "Thermal Effect on Gravity Waves in a Compressible Liquid Layer Over a Solid Half-Space Under Initial Hydrostatic Stress," by S. K. Addy and N. R. Chakraborty; "Electromagneto-Thermoelastic Fundamental Solutions in a Two-Dimensional Problem for Short Time," by M. Aouadi.

Lists several publications on thermal stresses.

For the analysis of problems encompassing linear first-order parabolic systems involving the time dimension, the present exposition describes the evolution of and synthesis leading to a general unified mathematical framework and design of computational algorithms. In our previous efforts, various issues and the general classification and characterization of time-discretized operators were addressed, and the theoretical developments emanated from a generalized time-weighted residual philosophy which described the underlying consequences. Toward this end, in this article, for the first time, we provide alternative new perspectives and formalism via the notions of (1) the resulting size of the equation system and (2) the associated number of system solve(s). Although the time-weighted residual philosophy described an approach and the underlying consequences, from the new perspectives, the general design of computational algorithms is outlined in this article. A generalized stability and accuracy limitation theorem is also highlighted for linear transient algorithms encompassing first-order parabolic systems. Characterization as related to computational algorithms pertains to that which not only permits the general classification to be established but also provides the underlying basis for their subsequent design. [ABSTRACT FROM AUTHOR]

Emanating from the Boltzmann transport equation, a new C- and F-processes heat conduction constitutive model is derived. The model acknowledges the notion of the simultaneous coexistence of both the slow Cattaneo-type C-processes and fast Fourier-type F-processes in the mechanisms of heat conduction. The C- and F-processes heat conduction constitutive model and the corresponding temperature equation that results from coupling the constitutive model with the energy equation naturally lead to a generalization of the macroscale in space one-temperature theory for heat conduction in solids of the Jeffreys'-type model, Cattaneo model, and the Fourier model for heat conduction in solids. This is unlike the Jeffreys'-type phenomenological model, which cannot reduce to the classical Fourier model (but only to a Fourier-like representation with relaxation) and it cannot explain the underlying physics associated with the C- and F-processes model. Additionally, the microscale in space two-temperature theory for pulse heating of metals is also highlighted via the C- and F-processes heat conduction constitutive model. Emphasis is placed on the development of a new C- and F-processes heat conduction model based on generalized thermoelastic theory to study the dynamic thermoelastic behavior of solids with special features that can lead to and explain the classical and nonclassical dynamic thermoelastic theories. Finally some conceptual pitfalls that appear in the literature are addressed. [ABSTRACT FROM AUTHOR]

The sources cited within this issue are presented including "The Thermodynamically Consistent Equations of a Thermoelastic Saturated Porous Medium," by V. I. Kondaurov, "Impossibility of Localization in Linear Thermoelasticity with Voids," by R. Quintanilla, and "Geometric Effects on Thermoelastic Damping in MEMS Resonators," by Y. B. Yi.

A list of publications on thermal stresses which includes "Thermal Stresses and Related Phenomena in Composite Ceramics," by L. Ceniga, "Thermal Stresses and Effective Properties Calculated for Fiber Composites Using Actual Cylindrically-Anisotropic Properties of Interfacial Carbon Coating," by K. Honjo, and "Influence of Inhomogeneous Interphase on Thermal Stresses in Fiber-Reinforced Composites," by L. H. You.

A list of publications related to thermal stresses that already appeared in various sources is presented. They include "Subsurface Deformation and Damage Accumulation in Aluminum-Silicon Alloys Subjected to Sliding Contact," by S. S. Akarca, W. J. Altenhof, and A. T. Alpas, "Thermoelastic Stability of Bimetallic Shallow Shells of Revolution," by M. Batista and F. Kosel and "FEM Simulations of Microstructure Effects on Thermoelastic Properties of Sintered Ceramics," by M. Iuga and F. Raether.

A list of articles related to thermal stresses that were published in several journals is presented including "Transient Temperature and Elastic Response of a Space-Based Mirror in the Radiation-Conduction Environment," by B. K. Choudhury, "Thermodynamic Aspects of Subsurface Phenomena in Thermoelastic Systems," by Y. I. Burak and E. Y. Chaplya and "Theory of Two-Temperature-Generalized Thermoelasticity," by H. M. Youssef.

A list of articles related to thermal stresses and thermoelasticity that were published in several journals is presented including "Generalized Three-Dimensional Heat Source Problem for Small Time," by M. Aouadi.

The article presents various publications of the articles related to thermal stresses, including "Finite Element Simulation of Fracture Behaviour for Aged Duplex Stainless Steels," by J. M. Alegre and F. Gutierrez-Solana, "Thermal Effects in Partially Saturated Soils: A Constitutive Model," by G. Bolzon and B. A. Schrefler, "Effective Thermoelastic Moduli and Stress Concentrator Factors in Nanocomposites," by V. A. Buryachenko and A. Roy, "The Effect of Restraint on Weld Solidification Cracking in Aluminium," by C. E. Cross and T. Bollinghaus, and "Mechanism of Effects of Temperature and Effective Stress on Permeability of Sandstone," by Y. L. He and L. Z. Yang.

The article presents a compilation of published articles on thermal stresses including "Separated Steady State Solutions for Two Thermoelastic Half-Planes in Contact With Out-of-Plane Sliding," by L. Afferrante and M. Ciavarella, "A Linear Thermoelastic Buckling Behavior of Functionally Graded Hemispherical Shell with a Cut-Out at Apex in Thermal Environment," by R. K. Bhangale and N. Ganesan and "Thermal Relaxation Effects in Rapid Sliding Contact with Friction," by L. M. Brock.

Presents various publications on thermal stresses. "Femtosecond Versus Nanosecond Laser Machining: Comparison of Induced Stresses and Structural Changes in Silicon Wafers," M. . Amer and colleagues; "A Parametric Study of the Stress State of Thermal Barrier Coatings," by M. Baker; "A Remark on Cauchy-Elasticity," by J. Casey.

Presents a list of publications on thermal stresses as of August 2005.

With the development of graph neural network, researchers begin to use bipartite graph to model user-item interactions for recommendation. It is worth noting that most of graph recommendation models represent users and items in the real-valued space, which ignore the rich representational capacity of the non-real space. Besides, the simplicity and symmetry of the inner product make it ineffectively capture the intricate antisymmetric relations between users and items in interaction modeling. In this paper, based on the framework of graph neural network, we propose Graph Collaborative Filtering for recommendation in Complex and Quaternion space (GCFC and GCFQ respectively). Specifically, we first use complex embeddings or quaternion embeddings to initialize users and items. Then, the Hermitian product (for GCFC) or Hamilton product (for GCFQ) and embedding propagation layers are used to further enrich the embeddings of users and items. As such, we can obtain both latent inter-dependencies and intra-dependencies between components of users and items. Finally, we aggregate the embeddings of different propagation layers and use the Hermitian or Hamilton product with inner product to obtain the intricate antisymmetric relations between users and items. We have carried out extensive experiments on four real-world datasets to verify the effectiveness of GCFC and GCFQ. [ABSTRACT FROM AUTHOR]

The article presents a list of publications on thermal stresses that have appeared elsewhere including "Thermoelastic Problems in Isotropic and Composite Plates," by V. Birman.

The article presents a list of publications on thermal stresses including "Thermoelastic Solution for Static Deformations of Functionally Graded Cylindrical Shell Bonded to Thin Piezoelectric Layers" by A. Alibeigloo, "A Contact Problem in Generalized Thermoelasticity" by M.I.M. Copetti, and "Thermomechanical Transient Analysis and Conceptual Optimization of a First Stage Bucket" by J. Turbomach.

The article presents a list of publications on thermal stresses including "An Analytical Method for Magnetothermoelastic Analysis of Functionally Graded Hollow Cylinders."

A bibliography on the subject of thermal stresses is presented which includes the articles, "Failure Analysis of a Steam Turbine Rotor," by M. Barella and colleagues in Engineering Failure Analysis, "On the Spatial Behavior of Solutions for Non- Linear Type II Heat Conduction," by Magana Quintanilla and R. Quintanilla in the International Journal of Non-Linear Mechanics, and "Stability Analysis of Functionally Graded Plates Subject to Thermal Loads," by A. Bouazza and colleagues in Advanced Structured Materials.

A bibliography on the subject of thermal stresses is presented which includes the articles "Analytical Modeling of Cyclic Thermal Stress and Strain in Plated-Through-Vias with Defects," by O. Belashov and J. K. Spelt, "Stress Field in the Rail-End During the Quenching Process," by S. Q. Xu and colleagues, and "An Element-Free Analysis of Mechanical and Thermal Buckling of Functionally Graded Conical Shell Panels," by X. Zhao and K. M. Liew.

A bibliography on the subject of thermal stresses is presented which includes the articles "Numerical Solution for a FG Cylinder Problem Using Finite-Difference Method," by D. Mashat, "Stress Analysis Near the Welding Interface Edges of a QFP Structure Under Thermal Loading," by Z. G. Huang, X. C. Ping and P. G. Liu, and "Modeling of Thermal Stress in ITER Prototype Optical Windows and Its Influencing Parameters," by J. Marijke and colleagues.

A bibliography of the articles related to thermal stresses is presented which includes the "Influence of Magnetic Field and Hydrostatic Initial Stress on Wave Reflection From a Generalized Thermoelastic Solid Half-Space," by S.M. Abo-Dahab and R.A. Mohamed, Nonlinear Stationary Thermoelastic Wave," by V. I Erofeev and V. V. Kazhaev, and "Thermoelastic Determination of Individual Stresses in a Diametrally Loaded Disk," by B. E Foust and R.E Rowlands.

A bibliography on the subject of thermal stresses is presented which includes the articles "Thermoelastic Solutions for Anisotropic Cracked Thin Films," by R.C. Chang, "Thermal Stress and Fracture Temperature Prediction for Flexible Pavement," by Y. Zhong and L.T. Geng and "Thermostressed State of a Piezoelectric Body with a Plane Crackin a Symmetric Heat Flow From its Surfaces," by V.S. Kirilyuk.

The article presents a list of topics on thermal stresses that are published in other journals including "Thermal Stresses in Bodies with Random Initial Temperature Distribution," by R. Chiba and Y. Sugano, "Effect of Thermal Stresses on Pavement Performance Under Mild Climate Conditions," by J. Kim and R. C. West and "Essay on Thermal Stresses," by N. Noda.

A bibliography on the subject of thermal stresses is presented which includes the publications "Thermoelastic Problem of Friction of Plane-Parallel Layers with Allowance for Nonstationarity of Thermal Processes," by A. P. Nosko and N. S. Belyakov, "Thermal Stresses and Birefringence in Quenched Tubes and Rods: Simulation and Experiment," by A. I. Isayev and A. J. Carrillo, and "Thermal Stress Analysis of a Bi-Material Layered Structure," by S. W. Yeh, C. H. Lin, and S. C. Her.

A bibliography on the subject of thermal stresses is presented which includes the article "On the Solutions of a Boundary Value Problem of Linear Thermoelasticity System with Nonlocal Conditions," by L. Bougoffa, H. K. AlJeaid, and A. Khanfer, "Response of Frequency Domain in Generalized Thermoelasticity with Two Temperatures," by S. Kaushal, R. Kumar, and A. Miglani, and "Thermal Stress Analysis of BOF Accounting for Friction Force Experimentally Measured," by Y. Hino, Y. Kiyota, and Y. Hattori.

A bibliography on the subject of thermal stresses is presented which includes the articles "Propagation of P Waves from Stress-Free Surface Elastic Half-Space with Voids Under Thermal Relaxation and Magnetic Field," by S. M. Abo-Dahab, "Analytical Model of Thermal Stresses in Two- and "Three-Component Materials," by L. Ceniga, and "Thermoelastic Stress Analysis of Damage Mechanisms in Composite Materials," by T. R. Emery and J. M. Dulieu-Barton.

A bibliography on the subject of thermal stresses is presented which includes the article "Thermal Stresses in Small Meteoroids," by D. Capek and D. Vokrouhlicky, the article "Thermo-Elastic Localization Relationships for Multi- Phase Composites," by G. Landi and S. R. Kalidindi, and the article "Thermal Stresses in Bilayer Systems With Weak Interface," by D. Y. Liu and W. Q. Chen.

A list of publications on thermal stresses that have appeared in other journals are presented including "Development of a Finite Element for Thermo-Elastic Analysis of Composite Plates Using Zigzag Theory," published in a previous issue of "Journal of the Institution of Engineers," "Stress and Damage Analysis Using Transient Loading," published in a previous issue of the journal "Experimental Mechanics," and "A Partition of Energy in Thermoelasticity of Microstretch Bodies."

A bibliography on the subject of thermal stresses is presented which includes the publications "Finite Element Analysis of Thermoelastic Field in a Rotating FGM Circular Disk," by A. M. Afsar and J. Go; "Micromechanics of Fibrous Composites Subjected to Combined Shear and Thermal Loading Using a Truly Meshless Method," by I. Ahmadi and M. M. Aghdam; and, "Three-Dimensional Thermal Shock Problem of Generalized Thermoelastic Half-Space," by M. A. Ezzat and H. M. Youssef.

The article lists publications on thermal stresses that have appeared in different journals.

The article lists the publications on thermal stresses including "Frictionally Excited Thermo-Elastoplastic Instability," by S. H. Ahn and Y. H. Jang, "Vibrational Thermodynamics of Materials," by B. Fultz and "Vibration Analysis of Horizontal Self-Weighted Beams and Cables with Bending Stiffness Subjected to Thermal Loads," by F. Treyssede.

The article lists publications on thermal stresses which include "Circumferential Waves in Micropolar Thermoelastic Cylindrical Curved Plate," by R. Kumar and G. Partap, "Thermal Stress and Thermal Fatigue Analysis of the Continuous Casting Tundish Cover," by X. Zhou, Z. F. Tang, and G. H. Qu and "Thermoelasticity Analysis of Functionally Graded Beam with Integrated Surface Piezoelectric Layers," by A. Alibeigloo.

The article lists the articles on thermal stress including one stress relaxation and constitutive modeling of viscoelastic behavior of natural rubber, published in the journal "Materials and Design," another on the analysis of residual stress in glass-to-metal seals by D. Q. Lei, and colleagues in "Materials and Design," and another on three-dimensional free vibration of thick functionally graded annular plates.

The article lists several publications on thermal stresses including Three-Dimensional Thermal Buckling Analysis of Piezoelectric Antisymmetric Angle-Ply Laminates using Finite Layer Method," that appeared in the journal "Composite Structures," "Exact Solution for Thermo-Elastic Response of Functionally Graded Rectangular Plates, Composite Structures," and "Analytical Solution for Electromagnetothermoelastic Behaviors of a Functionally Graded Piezoelectric Hollow Cylinder," in the journal "Applied Mathematical Modelling."

A list of publications related to thermal stresses including "Extensional Thermoelastic Waves in Transversely Isotropic Plate According to a Higher Order Theory," by M. Al-Qahtani, "Effect of Thermomechanical Loads on the Propagation of Crack Near the Interface," by M. Boutabout and colleagues, and "Mechanical Modeling of Flexible OLED Devices," by C.J. Chiang, is presented.

The article lists the publications on thermal stresses which include "Materials Science and Engineering," by D. Mari and R. Schaller, "On the Traveling Wave Solutions for a Parabolic-Hyperbolic System in Linear Thermoelasticity, Applied Mathematics and Computation," by L. Bougoffa and "Thermomechanical Modeling of Beam Blank Casting, Iron and Steel Technology," by B. G. Thomas and S. Koric.